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发明名称
ARRANGEMENT FOR GRINDING THE SEALING SURFACES
摘要
申请公布号
SU1576286(A1)
申请公布日期
1990.07.07
申请号
SU19884443497
申请日期
1988.06.20
申请人
VASYUGANSKOE U BUROVYKH RABOT PROIZVODSTVENNOGO OBEDINENIYA "TOMSKNEFT"
发明人
KONONOV NIKOLAJ I,SU
分类号
B24B23/02
主分类号
B24B23/02
代理机构
代理人
主权项
地址
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